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| CPW, CPWN Vishay Dale Wirewound Resistors, Commercial Power, Axial Lead FEATURES * High power to size ratio * Ceramic cases are available with circuit board standoffs (designated with a -3 model ending) * Superior surge capability * Complete welded construction * Available in non-inductive styles with Aryton-Perry winding (CPWN in lieu of CPW, maximum resistance is one-half CPW range) * Special inorganic potting compound and ceramic case provide high thermal conductivity in a fireproof package STANDARD ELECTRICAL SPECIFICATIONS MODEL POWER RATING P40C W 2 2 3 3 5 5 7 7 10 10 15 15 20 20 1%, 2%, 3%, 5% 0.1 - 7k 0.1 - 7k 0.1 - 7.5k 0.1 - 7.5k 0.1 - 8.5k 0.1 - 8.5k 0.1 - 18k 0.1 - 18k 0.12 - 30k 0.12 - 30k 0.12 - 30k 0.12 - 30k 0.18 - 45k 0.18 - 45k RESISTANCE RANGE WEIGHT (Typical) g 2.0 2.2 3.4 3.6 4.8 5.0 6.8 7.0 9.5 9.9 16.8 17.4 22.8 23.6 CPW-2 CPW-2-3 CPW-3 CPW-3-3 CPW-5 CPW-5-3 CPW-7 CPW-7-3 CPW-10 CPW-10-3 CPW-15 CPW-15-3 CPW-20 CPW-20-3 TECHNICAL SPECIFICATIONS PARAMETER Temperature Coefficient Short Time Overload Maximum Working Voltage Operating Temperature Range Terminal Strength Dielectric Withstanding Voltage UNIT ppm/C V C lb VAC CPW RESISTOR CHARACTERISTICS 90 below 1.0, 50 for 1.0 to 9.9, 30 for 10 and above 5 x rated power for 5 seconds (P x R)1/2 - 65/+ 275 10 minimum 1000 ORDERING INFORMATION CPW-10-3 MODEL 500 RESISTANCE 5% TOLERANCE % www.vishay.com 28 For technical questions, contact ww2aresistors@vishay.com Document Number 30216 Revision 04-Sep-02 CPW, CPWN Wirewound Resistors, Commercial Power, Axial Lead DIMENSIONS CPW-x 1.0 [25.4] Minimum A E B C 0.125 [3.18] Typical B Vishay Dale CPW-x-3 1.0 [25.4] Minimum A E D C MODEL A* 0.031 [0.794] CPW-2 CPW-2-3 CPW-3 CPW-3-3 CPW-5 CPW-5-3 CPW-7 CPW-7-3 CPW-10 CPW-10-3 CPW-15 CPW-15-3 CPW-20 CPW-20-3 0.688 [17.46] 0.688 [17.46] 0.875 [22.22] 0.875 [22.22] 0.875 [22.22] 0.875 [22.22] 1.391 [35.32] 1.391 [35.32] 1.875 [47.62] 1.875 [47.62] 1.875 [47.62] 1.875 [47.62] 2.500[63.50] 2.500 [63.50] DIMENSIONS in inches [millimeters] B C 0.031 [0.794] 0.031 [0.794] 0.250 [6.35] 0.250 [6.35] 0.313 [7.94] 0.313 [7.94] 0.375 [9.52] 0.375 [9.52] 0.375 [9.52] 0.375 [9.52] 0.375 [9.52] 0.375 [9.52] 0.500 [12.70] 0.500 [12.70] 0.500 [12.70] 0.500 [12.70] 0.250 [6.35] 0.250 [6.35] 0.313 [7.94] 0.313 [7.94] 0.344 [8.73] 0.344 [8.73] 0.344 [8.73] 0.344 [8.73] 0.344 [8.73] 0.344 [8.73] 0.500 [12.70] 0.500 [12.70] 0.500 [12.70] 0.500 [12.70] 0.031 [0.794] 0.313 [7.94] 0.375 [9.52] 0.406 [10.32] 0.469 [11.91] 0.469 [11.91] 0.625 [15.87] 0.625 [15.87] D 0.001 [0.025] 0.032 [0.813] 0.032 [0.813] 0.032 [0.813] 0.032 [0.813] 0.032 [0.813] 0.032 [0.813] 0.032 [0.813] 0.032 [0.813] 0.032 [0.813] 0.032 [0.813] 0.032 [0.813] 0.032 [0.813] 0.032 [0.813] 0.032 [0.813] E *Potting compound may extend outside of ceramic case up to 0.060 [1.52] maximum per side. RATED POWER IN % MATERIAL SPECIFICATIONS Element: Copper-nickel alloy or nickel-chrome alloy, depending on resistance value Core: Ceramic End Caps: Stainless steel Body: Steatite ceramic case with inorganic potting compound Terminals: Tinned Copperweld(R) Part Marking: DALE, Model, Wattage, Value, Tolerance, Date Code 120 100 80 60 40 20 0 -65 -25 25 40 75 125 175 225 275 AMBIENT TEMPERATURE IN C Derating PERFORMANCE TEST Thermal Shock Short Time Overload Dielectric Withstanding Voltage Low Temperature Operation Bias Humidity Load Life Terminal Strength Resistance to Solder Heat CONDITIONS OF TEST - 55C to + 275C, 5 cycles, 30 minute dwell time 5 x rated power for 5 seconds 1000Vrms for one minute - 65C, full rated working voltage for 45 minutes 75C, 90% - 100% RH, 240 hours TEST LIMITS (EIA RS-344) (2.0% + 0.05)R (2.0% + 0.05)R (0.1% + 0.05)R (2.0% + 0.05)R (2.0% + 0.05)R (3.0% + 0.05)R (1.0% + 0.05)R (1.0% + 0.05)R 1000 hours at rated power, + 40C, 1.5 hours "ON", 0.5 hours "OFF" 5 to 10 second 10 pound pull test, torsion test - 3 alternating directions, 360 each Terminal immersed 3.5 seconds in molten solder at 1/8" to 3/16" from body Document Number 30216 Revision 04-Sep-02 For technical questions, contact ww2aresistors@vishay.com www.vishay.com 29 |
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